f4334277
 Hu Chunming
提交3rdparty
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// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
//
// Copyright (C) 2020 Intel Corporation
#ifndef OPENCV_GAPI_IEWRAPPER_HPP
#define OPENCV_GAPI_IEWRAPPER_HPP
#ifdef HAVE_INF_ENGINE
#include <inference_engine.hpp>
#include <vector>
#include <string>
#include <fstream>
#include "opencv2/gapi/infer/ie.hpp"
namespace IE = InferenceEngine;
using GIEParam = cv::gapi::ie::detail::ParamDesc;
namespace cv {
namespace gimpl {
namespace ie {
namespace wrap {
// NB: These functions are EXPORTed to make them accessible by the
// test suite only.
GAPI_EXPORTS std::vector<std::string> getExtensions(const GIEParam& params);
GAPI_EXPORTS IE::CNNNetwork readNetwork(const GIEParam& params);
#if INF_ENGINE_RELEASE < 2019020000 // < 2019.R2
using Plugin = IE::InferencePlugin;
GAPI_EXPORTS IE::InferencePlugin getPlugin(const GIEParam& params);
GAPI_EXPORTS inline IE::ExecutableNetwork loadNetwork( IE::InferencePlugin& plugin,
const IE::CNNNetwork& net,
const GIEParam&) {
return plugin.LoadNetwork(net, {}); // FIXME: 2nd parameter to be
// configurable via the API
}
GAPI_EXPORTS inline IE::ExecutableNetwork importNetwork( IE::CNNNetwork& plugin,
const GIEParam& param) {
return plugin.ImportNetwork(param.model_path, param.device_id, {});
}
#else // >= 2019.R2
using Plugin = IE::Core;
GAPI_EXPORTS IE::Core getCore();
GAPI_EXPORTS IE::Core getPlugin(const GIEParam& params);
GAPI_EXPORTS inline IE::ExecutableNetwork loadNetwork( IE::Core& core,
const IE::CNNNetwork& net,
const GIEParam& params,
IE::RemoteContext::Ptr rctx = nullptr) {
if (rctx != nullptr) {
return core.LoadNetwork(net, rctx);
} else {
return core.LoadNetwork(net, params.device_id);
}
}
GAPI_EXPORTS inline IE::ExecutableNetwork importNetwork( IE::Core& core,
const GIEParam& params,
IE::RemoteContext::Ptr rctx = nullptr) {
if (rctx != nullptr) {
std::filebuf blobFile;
if (!blobFile.open(params.model_path, std::ios::in | std::ios::binary))
{
blobFile.close();
throw std::runtime_error("Could not open file");
}
std::istream graphBlob(&blobFile);
return core.ImportNetwork(graphBlob, rctx);
} else {
return core.ImportNetwork(params.model_path, params.device_id, {});
}
}
#endif // INF_ENGINE_RELEASE < 2019020000
}}}}
#endif //HAVE_INF_ENGINE
#endif // OPENCV_GAPI_IEWRAPPER_HPP
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